--- access_dt: ~ aliases: - context: dataset lexicon: nsidc term: oai:nsidc/NSIDC-0009 url: http://nsidc.org/api/dataset/2/oai?verb=GetRecord&metadataPrefix=dif&identifier=oai:nsidc/NSIDC-0009 attributes: ~ cite_metadata: ~ cited_by: [] contributors: - display_name: 'Data Archive : National Snow & Ice Data Center Distributed Active Archive Center ' href: http://52.38.26.42:8080/contributor/4440.yaml id: 4440 organization: country_code: US display_name: National Snow & Ice Data Center Distributed Active Archive Center identifier: national-snow-ice-data-center-distributed-active-archive-center name: National Snow & Ice Data Center Distributed Active Archive Center organization_type_identifier: federal type: organization url: http://nsidc.org/daac organization_uri: /organization/national-snow-ice-data-center-distributed-active-archive-center person: {} person_id: ~ person_uri: ~ role_type_identifier: data_archive uri: /contributor/4440 data_qualifier: ~ description: 'Daily and monthly averaged sea ice concentrations from the Nimbus-5 Electrically Scanning Microwave Radiometer (ESMR) are available for the Arctic and Antarctic from 12 December 1972 through 31 December 1976 at 25 km gridded resolution. Raw data were reprocessed to include ocean masks that reduce weather effects and coastal contamination, and to include a 15 percent ice threshold. Reprocessed data are in Hierarchical Data Format (HDF) and are available via FTP.' description_attribution: ~ display_name: Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations doi: 10.5067/W2PKTWMTY0TP end_time: 1976-12-31T00:00:00 files: [] href: http://52.38.26.42:8080/dataset/nasa-nsidcdaac-0009.yaml identifier: nasa-nsidcdaac-0009 instrument_measurements: [] lat_max: -39.23 lat_min: -90 lon_max: 180 lon_min: -180 name: Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations native_id: NSIDC-0009 parents: [] processing_level: ~ publication_year: ~ references: [] release_dt: 2004-01-01T00:00:00 scale: ~ scope: ~ spatial_extent: ~ spatial_ref_sys: ~ spatial_res: ~ start_time: 1972-12-12T00:00:00 temporal_extent: ~ temporal_resolution: ~ type: dataset uri: /dataset/nasa-nsidcdaac-0009 url: http://nsidc.org/data/NSIDC-0009 variables: ~ version: ~ vertical_extent: ~